Process of manufacturing carbureted water gas



` Sept. Z4, 1940. w. E. sTr-:lNwEDELL 2,216,055'

PROCESS OF MANUFACTURING CARBURETED WATER GAS Filed April 6, 1938INVENTOR.

MLU/1M f//vwfaaL BY i? 'WTTORNEYS Patented Sept. 24, 1940 UNITED STATESPROCESS F MANUFACTURING CAB- BURETED WATER GAS William E. Steinwedell,Cleveland Heights, Ohio,

assignor to The Gas Machinery Company, Cleveland, Ohio, a corporation ofOhio Application April 6, 193'8, Serial No. 200,448

Claims.

This invention particularly relates to improvements in the Well-knownmethods of manufacturing carbureted water gas in a gas-making setincluding a generator, a carbureter, a superheater, and a seal, -allconnected in a well-known manner, and equipped with the usal fixturessuch as pipes and valves for supplying suitable media for blasting afuel bed in the generator, and for making up and down gas-making runsthrough the fuel bed, and for carbureting the water gas so made. Myinvention particularly relates to improvements in such processes inwhich the carburetion is effected by the use of heavy oil, such asbunker oil, and in which a down blasting is ef- A fected by admittingthe blasting air at the top of the carbureter.

Also, preferably, the steam for the down run is admitted at the top ofthe generator, but it is within the spirit of my invention to admit suchsteam for the down or reverse run at the top of the superheater, andthen pass the steam downwardly through the superheater and upwardlythrough the carbureter and thence to the top of the generator, foroperation under the wellknown back-run process of making carburetedWater gas.

The invention is particularly applicable for working in that type of acarbureted water gas set in which the hot gas valves for controlling thedirection of ow are located adjacent the seal, i. e., the setting ofthese valves determines through which one, of two pipes communicatingwith the seal, the gas flow should take place.

The annexed drawing and the following description set forth in detailcertain steps illustrating my improved process, these stepsconstituting, however, but a few of the various series of steps by whichthe improved process may be carried out.

The gure is a view, partly in elevation and partly in vertical section,of apparatus for manufacturing carbureted water gas by the use of myimproved method.

Referring to the annexed drawing, a generator A, a carbureter B and asuperheater C constituting carbureting apparatus, and a seal D are con'-nected together in the well-known manner by a pipe E .between the top ofthe generator and the top of the carbureter, a pipe F between thebottoms of the carbureter and superheater, a pipe G leading from thestack C of the superheater C to the seal D, and a by-pass pipe H fromthe bottim of the generator to the pipe G. Pipe I controlled by valve I'feeds air into the bottom of 55 the generator A, and pipes 2 and Ilcontrolled by valves 2' and Il', respectively, feed air into the top ofthe carbureter B. Steam pipes 4 and 8 controlled by valves 4' and 8',respectively, feed into the air pipe l and the top of the generator A,respectively. An alternate steam pipe 9 controlled by valve 9 feeds intothe pipe G. A pipe 5 controlled by valve 5' feeds heavy oil into the topof the generator A. The pipe G is controlled by an up-run hot gas valve1 and the pipe H by a down-run hot gas valve 6. The superheater stack C'is controlled by a valve 3 'and an additional stack I0 is provided whichcommunicates with the pipe H and is controlled by a valve I0". The dipof the pipe G into the seal D is in an amount suiicient to exceed theeffect of the pressure in the stack C'.

The manner of using the afore-described apparatus, when working myimproved process, consists in rst preparing for forward or upwardblasting by having all valves closed except thel stack valve 3 and theup-run hot gas valve 1. Then the fuel bed in the generator A is blastedwith air which is admitted by opening the valve I', and the resultantblast gases which pass through the connection E from the generator A tothe carbureter B are burned by air admitted by opening the blastl valve2', this burning of the blast gases suitably heating the checkerwork inthe carbureter B and superheater C. The resultant products aredischarged through the open valve 3 of the stack C.

Then the carbureter blast valve 2' is closed and, in sucession, thegenerator blast valve I and the superheater stack valve 3 are alsoclosed, which places the apparatus in condition for an up-run. 35

This up-run is effected by first opening the steam valve 4' whicheffects the formation of the blue water gas by the passage of the steamy through the heated fuel bed, which blue water gas is carbureted byheavy oil admitted by open- 40 ing the valve 5', the heavy oil beingsprayed upon the fuel bed and being cracked and volatilized and mixingwith the blue .water gas issuing from the fuel bed and being permanentlyfixed in the heated checker-brick of the carbureter B and 4 superheaterC. As has been stated, the hot gas valve 1 in the pipe G is open so thatthe resultant gases pass into the seal D through the pipe G. The up-runis terminated by rst closing the oil valve I' and then the up-run steamvalve 4'.

Then a down-run is effected by first opening the down-run lhot gas valve6, then closing the up-run hot gas valve 1, and then opening thedown-run steam valve I', which results in the 55' formation of bluewater. gas by the passage of steam downwardly through the fuel bed,which blue water gas issues from the bottom of the generator and passesby pipe H into pipe G and thence into the seal D. The down-run isternunated by closing the steam valve B'.

. Then a down-blow is effeted by first opening the valve I' of theauxiliary stack I0, and thenl opening the. blast valve II at the top ofthe carbureter B, which effects a down-blow through the fuel bed of thegenerator A, and the resultant products therefrom pass into the pipe Hand thence into stack I0 and out through thestack valve I0. Thedown-blow is terminated by closing the blast valve I I'. Then the up-runhot gas valve 1 is opened, the down-run gas valve 6 closed, thesuperheater stack valve 3 opened, and the stack valve l0 closed. Thenthe apparatus is in the same condition as was originally presented forforward blasting, and a cycle has been completed.

Under some conditions when working the-improved process which has justbeen described, it

may be deemed essential toeifect a short blowblue water gas during theup-run; in which case,

the oil valve 5', instead of being closed at the termination of theup-run, can be allowed to remain open during part of the down-run, andthen this oil valve 5' can be closed at any desired time afteropeningthe down-run steam valve-8'.

Under some conditions, it may be desired to make a short down-blow run;in which case, the top generator blast valve I I', which furnishes theair for the blast downwardly through the fuel bed, may be opened, afterthe termination of the down steam run, and before the opening of theauxiliary stack valve I0', and thus the down-blow gases pass through theconnections H and G to the seal D for a short period, and then theauxiliary stack valve l0' is opened.

As before stated, it is within the spirit of my invention to admit steamfor the down or reverse run at the top of the superheater C through thepipe 9, instead of to the top of the generator A through the pipe 8, ifit is desired to operate the gas-making set under the well-knownback-run processof making carbureted water gas. In this event, the steampasses'from the pipe 9 through the connection G and thence into thesuperheater C and carbureter B in succession, whence it passes throughthe pipe- E into the top of the generator A and downwardly through thefuel bed in the operating manner before described with reference to theordinary admission of steam through the pipe 8 to the top of thegenerator A.

What I claim is:

1. 'I'he process of manufacturing' carbureted water gas, with the use ofheavy oil as the carbureting medium. in a gas-making set including agenerator, carbureting `apparatus, a conduit connectingk the generatorand the carbureting apparatus, and owedirection control valves disposedeous products through the carbureting apparatus,

then effecting a steam run downwardly through the fuel bed with steamadmitted at the top of the generator and withdrawing the resultantgaseous products from the set at the bottom of the generator, and thenblasting downwardly through the fuel bed with air admitted to the setadjacent the top of the generator only and removing the blast gases fromthe set at the .bot-V tom of the generator. K

2. The process, as set forth in claim 1, in which the upward blastingterminates with a short upblow run after shutting off the air beingadmitted to the carbureting apparatus.

.3. The process, as set forth in claimA 1, in which the `spraying ofheavy oil upon the top of the fuel bed is continued into and through apart of the down steam run.

4. The process of manufacturing carbureted water gas, with the use ofheavy oil as the carburetingV medium, in a gas-making set includinggenerator, carbureter, and superheater shells, and a seal, conduitsconnecting said shells and seal in series, a conduit connecting thegenerator and the seal, and now-direction control valves disposed in therespective conduits between the superheater and the seal and thegenerator and the seal, consisting in first upwardly blasting the fuelbed in the generator with air admitted at the bottom of the generatorand burning the blast gases in the carbureter and superheater with airadmitted at the top of the carbureter, and exhaustixg the waste gasesfrom the set, then effecting a steam run 'upwardly through the fuelbed'with steam admitted at the bottom of the generator andsimultaneously spraying heavy oil upon the top of the fuel bed, andpassing the resultant gaseous products through the carbureter andsuperheater to the seal, then effecting a steam run downwardly throughthe fuel bed with steam admitted at the top of the generator andconducting the resultant gaseous products 'directly from the bottom ofthe generator to the seal, then blasting downwardly through the fuel bedwith air admitted to the set adjacent the top of the generator only andconducting the resultant products directly from the bottom of thegenerator to the seal, and then continuing the downward blasting andexhausting the blast gases from the set at the bottom of the generator.5. The process, as set forth in claim 1, in which the steam for the downsteam run is admitted to the carbureting apparatus, passed therethrough,and thence passed downwardly throughv the fuel bed in the generator. A v

. v WILLIAM E. STEINWEDEIL.

